Update Row class and increase version in pom.xml

Updated the Row.java class to enhance the readability of the code, primarily adjusting commenting style and method simplifications. Also, the MySQL API version has been incremented from 5.6 to 5.7 in pom.xml.

pom.xml

@@ -5,7 +5,7 @@
 
  <groupId>de.goldendeveloper</groupId>
  <artifactId>MYSQL-Api</artifactId>
- <version>5.6</version>
+ <version>5.7</version>
  <packaging>jar</packaging> 
  <url>https://github.com/Golden-Developer/MYSQL-Api</url>
 

src/main/java/de/goldendeveloper/mysql/entities/Row.java

@@ -22,13 +22,13 @@ public class Row implements QueryHelper {
 
  /**
  * Represents a row in a database table.
- *
+ * <p>
  * The Row class contains methods to retrieve and modify data in the corresponding row of the table.
  *
- * @param table The Table object representing the table the row belongs to.
+ * @param table  The Table object representing the table the row belongs to.
  * @param column The Column object representing the column in the row.
- * @param mysql The MYSQL object representing the connection to the database.
- * @param item The value of the column in the row.
+ * @param mysql  The MYSQL object representing the connection to the database.
+ * @param item  The value of the column in the row.
  */
  public Row(Table table, Column column, MYSQL mysql, String item) {
  this.db = table.getDatabase();
@@ -51,13 +51,11 @@ public HashMap<String, SearchResult> getData() {
  exportMap = executeQuery(query, rs -> {
  HashMap<String, SearchResult> map = new HashMap<>();
  ResultSetMetaData rsMetaData = rs.getMetaData();
- if (rs.next()) {
- for (int i = 1; i <= rsMetaData.getColumnCount(); i++) {
- if (rs.getString(rsMetaData.getColumnName(i)) != null) {
- map.put(rsMetaData.getColumnName(i), new SearchResult(rs.getString(rsMetaData.getColumnName(i))));
- } else {
- map.put(rsMetaData.getColumnName(i), null);
- }
+ for (int i = 1; i <= rsMetaData.getColumnCount(); i++) {
+ if (rs.getString(rsMetaData.getColumnName(i)) != null) {
+ map.put(rsMetaData.getColumnName(i), new SearchResult(rs.getString(rsMetaData.getColumnName(i))));
+ } else {
+ map.put(rsMetaData.getColumnName(i), null);
  }
  }
  return map;
@@ -79,7 +77,7 @@ public void setExportMap(HashMap<String, SearchResult> newMap) {
  * Sets the value of a specific item in the column.
  *
  * @param column The Column object representing the column to set the value for.
- * @param item The new value to set for the column.
+ * @param item  The new value to set for the column.
  */
  public void set(Column column, Object item) {
  executeUpdate("UPDATE `" + this.getTable().getName() + "` SET `" + column.getName() + "` = '" + item.toString() + "' WHERE `" + this.column.getName() + "` = '" + this.item + "';", mysql);
@@ -134,7 +132,7 @@ public int getId() {
  * Deletes the row from the database table associated with this object.
  * The deletion is performed based on the value of the column in the row.
  * The SQL query executed is as follows:
- *  DELETE FROM `tableName` WHERE `columnName` = 'columnValue';
+ * DELETE FROM `tableName` WHERE `columnName` = 'columnValue';
  *
  * @see Row#getTable() to retrieve the table associated with this row
  * @see Row#column to retrieve the column associated with this row

src/main/java/de/goldendeveloper/mysql/entities/Table.java

@@ -225,7 +225,8 @@ public boolean existsColumn(String name) {
  */
  public boolean existsRow(Column column, String item) {
  String query = "SELECT EXISTS(SELECT * FROM `" + this.getName() + "` WHERE `" + column.getName() + "` = '" + item + "')";
- Boolean exists = executeQuery(query, rs -> rs.next() && rs.getBoolean(1), mysql);
+ Boolean exists = executeQuery(query, rs -> rs.getBoolean(1), mysql);
+ System.out.println("229: existsRow : " + exists );
  return exists != null && exists;
  }